एपीए उद्धरण

Hernández, F., Rivera, P., Sigarán, M. F., Aguilar-Ortiz, M., Miranda, J., Rodríguez-Jenkins, O., & Murillo, M. (1990). The first cases of Helicobacter pylori (Campylobacter pylori) reported from Costa Rica.

शिकागो स्टाइल उद्धरण

Hernández, Francisco, Patricia Rivera, Manuel F. Sigarán, Manuel Aguilar-Ortiz, Jorge Miranda, Olger Rodríguez-Jenkins, और Mario Murillo. The First Cases of Helicobacter Pylori (Campylobacter Pylori) Reported From Costa Rica. 1990.

एमएलए उद्धरण

Hernández, Francisco, et al. The First Cases of Helicobacter Pylori (Campylobacter Pylori) Reported From Costa Rica. 1990.